Chronograph Excellence The Cosmograph Daytona is a chronograph built for speed and precision. With its clean dial layout, high-performance movement and racing heritage, it remains one of the most iconic and desirable watches in the Rolex collection. Two-Tone Performance This 2006 Rolex Certified Pre-Owned Cosmograph Daytona, reference 116523, features a 40mm Yellow Rolesor casea blend of Oystersteel and 18ct yellow gold. The black dial enhances legibility, while the calibre 4130 automatic movement delivers a 72-hour power reserve. The Easylink Oysterlock clasp ensures a secure and comfortable fit.